Collection header pipe for filtration



FIG. 1 is a front perspective view of a collection header pipe for filtration showing our new design;

FIG. 2 is a rear perspective view;

FIG. 3 is a front elevational view;

FIG. 4 is a rear elevational view;

FIG. 5 is a right side elevational view, the left side elevational view being a mirror image thereof;

FIG. 6 is a top plan view;

FIG. 7 is a bottom plan view; and,

FIG. 8 is a perspective view of the collection header pipe for filtration used in a collection header of necessary length by serially connecting individual sections.

The broken lines shown in FIG. 8 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a collection header pipe for filtration, as shown and described. 